Ashen is between white and black,
Tough is between soft and hard,
Tepid is a property between hot and cold.
But between curse and blessedness
there is no byway which divides them.
One must flee that which the other must have."

"In music, one of the mysteries of mysteries is how the difference of but half a tone,of tuning a major third down a half step to a minor third, seems to shift the qualityof a sound from day to night...." (from the Introduction)